What are best practices for handling two-digit year entries in PHP date and time functions to prevent incorrect data storage?

When handling two-digit year entries in PHP date and time functions, it is important to ensure that the year is correctly interpreted to prevent incorrect data storage. One way to address this issue is to use the PHP date() function with the 'Y' format specifier, which ensures that the year is displayed with four digits. This helps to avoid ambiguity and accurately represent the year. 

// Convert two-digit year to four-digit year
$twoDigitYear = '21'; // Example two-digit year
$fourDigitYear = date('Y', strtotime($twoDigitYear));

echo $fourDigitYear; // Output: 2021

Keywords

PHP date functions time functions two-digit year data storage

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